<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="root"></div>
    <script src="./vue3基础源码/vue3.js"></script>
    <script>
        Vue.createApp({
            data(){
                return {
                    content: 'hello world'
                }
            },
            methods:{
                handleBtnClick(){
                    this.content = [...this.content].reverse().join("");
                }
            },
            template:`
                <div>
                    {{content}}
                    <button v-on:click="handleBtnClick">反转</button>
                </div>
            `
        }).mount("#root");
    </script>
</body>
</html>